openstack team mailing list archive

[Jay Payne <letterj@xxxxxxxxx>]

There are many projects rolled up into the thing called "OpenStack".
Nova is only one of them and is the one that most people are talking
about when they say "OpenStack".   This does a huge disservice to the
other projects especially Swift.

It's very frustrating to see the other projects all painted with the
Nova brush.



On Wed, Apr 4, 2012 at 1:25 PM, Ryan Lane <rlane@xxxxxxxxxxxxx> wrote:
>> According to the statement of this article from Gartner
>> group http://blogs.gartner.com/lydia_leong/2012/04/03/citrix-cloudstack-openstack-and-the-war-for-open-source-clouds/ Openstack is a
>> highly immature platform.
>> But why? What's make Openstack so immature?
>>
>> Any comments on that?
>>
>> Thank you in advance :)
>>
>
> I agree that it's an immature platform. That said, it's also a very
> young platform and isn't that to be expected? There's a number of
> things that need to be fixed before I'd ever recommend Nova's use in
> production:
>
> 1. There's no upgrade path currently. Upgrading requires fairly
> substantial downtime.
> 2. Live migration is broken. Utterly.
> 3. Every release fixes so many things that it's really important to
> upgrade every time; however, only one release will likely be supported
> every Ubuntu LTS release, meaning you're either stuck with a really
> old (likely broken) version of nova, or you're stuck will a very
> likely unstable version of Ubuntu. This will be easier over time, when
> nova is more stable and has less bugs, but it's incredibly painful
> right now.
>
> That said, I feel OpenStack's strengths greatly outweigh its
> immatureness. I ran a private cloud at my last organization using a
> VMWare ESXi cluster. It was more mature, upgrades worked
> appropriately, live migration was solid, etc. I had (and still have)
> the choice to run VMWare for my current project and am extremely happy
> with my choice of OpenStack. The flexibility provided by the platform
> and my ability to contribute to its future make its immaturity a
> non-concern. Every release gets closer and closer to a stability point
> I'm comfortable with.
>
> This article isn't bad news. In fact, I'd say it shows that
> competitors see OpenStack as a fairly major threat. We should be
> celebrating this ;).
>
> - Ryan
>
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